23 lines
657 B
C++
23 lines
657 B
C++
#ifndef GENERATOR_H
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#define GENERATOR_H
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#include "oneway.h"
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/* Něco jako DDS, přesná frekvence není řešena (závisí na TIM1). */
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class Generator : public OneWay<uint16_t> {
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const unsigned freq;
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unsigned base, incr;
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volatile unsigned ms_count;
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public:
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explicit Generator (const unsigned f) noexcept;
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unsigned Send (uint16_t * const ptr, const unsigned len) override;
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void delay (const unsigned ms) {
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ms_count = ms;
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while (ms_count);
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}
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void on () volatile { incr = freq; }
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void off () volatile { base = 0u; incr = 0u; }
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protected:
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uint16_t step ();
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};
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#endif // GENERATOR_H
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